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https://issues.apache.org/jira/browse/MAPREDUCE-5957?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Sangjin Lee updated MAPREDUCE-5957:
-----------------------------------
Status: Open (was: Patch Available)
> AM throws ClassNotFoundException with job classloader enabled if custom
> output format/committer is used
> -------------------------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-5957
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-5957
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Affects Versions: 2.4.0
> Reporter: Sangjin Lee
> Assignee: Sangjin Lee
> Attachments: MAPREDUCE-5957.patch, MAPREDUCE-5957.patch,
> MAPREDUCE-5957.patch, MAPREDUCE-5957.patch, MAPREDUCE-5957.patch
>
>
> With the job classloader enabled, the MR AM throws ClassNotFoundException if
> a custom output format class is specified.
> {noformat}
> org.apache.hadoop.yarn.exceptions.YarnRuntimeException:
> java.lang.RuntimeException: java.lang.ClassNotFoundException: Class
> com.foo.test.TestOutputFormat not found
> at
> org.apache.hadoop.mapreduce.v2.app.MRAppMaster.createOutputCommitter(MRAppMaster.java:473)
> at
> org.apache.hadoop.mapreduce.v2.app.MRAppMaster.serviceInit(MRAppMaster.java:374)
> at
> org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
> at
> org.apache.hadoop.mapreduce.v2.app.MRAppMaster$1.run(MRAppMaster.java:1459)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:415)
> at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1548)
> at
> org.apache.hadoop.mapreduce.v2.app.MRAppMaster.initAndStartAppMaster(MRAppMaster.java:1456)
> at
> org.apache.hadoop.mapreduce.v2.app.MRAppMaster.main(MRAppMaster.java:1389)
> Caused by: java.lang.RuntimeException: java.lang.ClassNotFoundException:
> Class com.foo.test.TestOutputFormat not found
> at
> org.apache.hadoop.conf.Configuration.getClass(Configuration.java:1895)
> at
> org.apache.hadoop.mapreduce.task.JobContextImpl.getOutputFormatClass(JobContextImpl.java:222)
> at
> org.apache.hadoop.mapreduce.v2.app.MRAppMaster.createOutputCommitter(MRAppMaster.java:469)
> ... 8 more
> Caused by: java.lang.ClassNotFoundException: Class
> com.foo.test.TestOutputFormat not found
> at
> org.apache.hadoop.conf.Configuration.getClassByName(Configuration.java:1801)
> at
> org.apache.hadoop.conf.Configuration.getClass(Configuration.java:1893)
> ... 10 more
> {noformat}
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